Jens
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from __future__ import annotations
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from decimal import Decimal
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import uuid
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from django.conf import settings
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from django.db import models
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from django.utils import timezone
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from apps.core.models import TimeStampedModel
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class Employer(TimeStampedModel):
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name = models.CharField(max_length=300)
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normalized_name = models.CharField(max_length=300, db_index=True)
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domain = models.CharField(max_length=255, blank=True, db_index=True)
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is_direct_employer = models.BooleanField(default=True)
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is_recruiter = models.BooleanField(default=False)
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employer_type = models.CharField(max_length=80, blank=True)
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confidence = models.DecimalField(max_digits=4, decimal_places=3, default=0.5)
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aliases = models.JSONField(default=list, blank=True)
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metadata = models.JSONField(default=dict, blank=True)
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class Meta:
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ordering = ["name"]
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constraints = [
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models.UniqueConstraint(
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fields=["normalized_name", "domain"], name="unique_employer_name_domain"
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)
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]
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def __str__(self) -> str:
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return self.name
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class JobPosting(TimeStampedModel):
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class Status(models.TextChoices):
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NEW = "new", "Nieuw"
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ACTIVE = "active", "Actief"
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UNCERTAIN = "uncertain", "Onzeker"
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EXPIRED = "expired", "Verlopen"
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REMOVED = "removed", "Verwijderd"
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DUPLICATE = "duplicate", "Duplicaat"
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QUARANTINED = "quarantined", "Quarantaine"
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class Workplace(models.TextChoices):
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ON_SITE = "on_site", "Op locatie"
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HYBRID = "hybrid", "Hybride"
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REMOTE = "remote", "Remote"
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UNKNOWN = "unknown", "Onbekend"
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id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
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employer = models.ForeignKey(
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Employer, on_delete=models.SET_NULL, null=True, blank=True, related_name="jobs"
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)
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original_title = models.CharField(max_length=500)
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normalized_title = models.CharField(max_length=500, db_index=True)
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job_family = models.CharField(max_length=160, blank=True, db_index=True)
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seniority = models.CharField(max_length=80, blank=True)
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language = models.CharField(max_length=16, blank=True)
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canonical_url = models.URLField(max_length=2000, blank=True, db_index=True)
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canonical_key = models.CharField(max_length=64, unique=True)
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content_hash = models.CharField(max_length=64, db_index=True)
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description_html_sanitized = models.TextField(blank=True)
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description_text = models.TextField(blank=True)
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requirements = models.JSONField(default=list, blank=True)
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benefits = models.JSONField(default=list, blank=True)
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raw_location = models.CharField(max_length=500, blank=True)
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country = models.CharField(max_length=120, blank=True)
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region = models.CharField(max_length=160, blank=True, db_index=True)
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municipality = models.CharField(max_length=160, blank=True, db_index=True)
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postal_code = models.CharField(max_length=24, blank=True)
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latitude = models.DecimalField(max_digits=9, decimal_places=6, null=True, blank=True)
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longitude = models.DecimalField(max_digits=9, decimal_places=6, null=True, blank=True)
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workplace_type = models.CharField(
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max_length=20, choices=Workplace.choices, default=Workplace.UNKNOWN
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)
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employment_types = models.JSONField(default=list, blank=True)
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hours_text = models.CharField(max_length=200, blank=True)
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compensation = models.JSONField(default=dict, blank=True)
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skills_required = models.JSONField(default=list, blank=True)
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skills_preferred = models.JSONField(default=list, blank=True)
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analysis_features = models.JSONField(default=dict, blank=True)
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date_posted = models.DateTimeField(null=True, blank=True)
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valid_through = models.DateTimeField(null=True, blank=True, db_index=True)
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first_seen = models.DateTimeField(default=timezone.now)
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last_seen = models.DateTimeField(default=timezone.now, db_index=True)
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last_changed = models.DateTimeField(default=timezone.now)
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status = models.CharField(
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max_length=20, choices=Status.choices, default=Status.NEW, db_index=True
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)
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direct_employer = models.BooleanField(default=True)
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recruiter = models.BooleanField(default=False)
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extraction_confidence = models.DecimalField(max_digits=4, decimal_places=3, default=0.5)
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duplicate_of = models.ForeignKey(
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"self", on_delete=models.SET_NULL, null=True, blank=True, related_name="duplicates"
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)
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class Meta:
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ordering = ["-first_seen"]
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indexes = [
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models.Index(fields=["normalized_title", "region"]),
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models.Index(fields=["status", "valid_through"]),
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]
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def __str__(self) -> str:
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employer = self.employer.name if self.employer else "Onbekende werkgever"
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return f"{self.original_title} — {employer}"
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@property
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def employer_name(self) -> str:
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return self.employer.name if self.employer else "Onbekende werkgever"
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class JobSourceAlias(TimeStampedModel):
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job = models.ForeignKey(JobPosting, on_delete=models.CASCADE, related_name="source_aliases")
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source = models.ForeignKey(
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"sources.Source",
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on_delete=models.SET_NULL,
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null=True,
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blank=True,
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related_name="job_aliases",
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)
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raw_document = models.ForeignKey(
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"sources.RawDocument",
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on_delete=models.SET_NULL,
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null=True,
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blank=True,
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related_name="job_aliases",
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)
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url = models.URLField(max_length=2000)
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canonical_url = models.URLField(max_length=2000, db_index=True)
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external_id = models.CharField(max_length=500, blank=True, db_index=True)
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source_title = models.CharField(max_length=500, blank=True)
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source_employer = models.CharField(max_length=300, blank=True)
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extraction_method = models.CharField(max_length=120, blank=True)
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extraction_confidence = models.DecimalField(max_digits=4, decimal_places=3, default=0.5)
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first_seen = models.DateTimeField(default=timezone.now)
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last_seen = models.DateTimeField(default=timezone.now)
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is_canonical = models.BooleanField(default=False)
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payload = models.JSONField(default=dict, blank=True)
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class Meta:
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ordering = ["-is_canonical", "-last_seen"]
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indexes = [
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models.Index(fields=["source", "external_id"]),
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models.Index(fields=["canonical_url"]),
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]
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def __str__(self) -> str:
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return self.canonical_url
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class FieldProvenance(TimeStampedModel):
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job = models.ForeignKey(JobPosting, on_delete=models.CASCADE, related_name="provenance")
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source_alias = models.ForeignKey(
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JobSourceAlias, on_delete=models.CASCADE, related_name="field_evidence"
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)
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field_name = models.CharField(max_length=120)
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extraction_method = models.CharField(max_length=120)
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confidence = models.DecimalField(max_digits=4, decimal_places=3, default=0.5)
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evidence_excerpt = models.CharField(max_length=1000, blank=True)
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parser_version = models.CharField(max_length=80, blank=True)
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class Meta:
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ordering = ["field_name", "-confidence"]
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class GeocodeLocationLookup(TimeStampedModel):
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class QueryKind(models.TextChoices):
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POSTAL = "postal", "Postcode"
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MUNICIPALITY = "municipality", "Gemeente"
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source_name = models.CharField(max_length=120)
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source_version = models.CharField(max_length=80)
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source_license_name = models.CharField(max_length=160, blank=True)
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source_license_url = models.URLField(max_length=500, blank=True)
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source_metadata = models.JSONField(default=dict, blank=True)
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query_kind = models.CharField(max_length=12, choices=QueryKind.choices)
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query_value = models.CharField(max_length=200, db_index=True)
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postal_code = models.CharField(max_length=12, db_index=True)
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municipality = models.CharField(max_length=200, db_index=True)
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region = models.CharField(max_length=160, blank=True)
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latitude = models.DecimalField(max_digits=9, decimal_places=6)
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longitude = models.DecimalField(max_digits=9, decimal_places=6)
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confidence = models.DecimalField(max_digits=3, decimal_places=2, default=Decimal("0.85"))
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class Meta:
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ordering = ["query_kind", "query_value", "municipality"]
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indexes = [
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models.Index(fields=["query_kind", "query_value"]),
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models.Index(fields=["source_name", "source_version"]),
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]
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constraints = [
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models.UniqueConstraint(
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fields=[
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"source_name",
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"source_version",
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"query_kind",
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"query_value",
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"postal_code",
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"municipality",
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],
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name="unique_geocode_lookup_row",
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)
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]
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def __str__(self) -> str:
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return f"{self.source_name}:{self.source_version}:{self.query_kind}:{self.query_value}"
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class JobVersion(TimeStampedModel):
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job = models.ForeignKey(JobPosting, on_delete=models.CASCADE, related_name="versions")
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content_hash = models.CharField(max_length=64)
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snapshot = models.JSONField(default=dict)
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changed_fields = models.JSONField(default=list, blank=True)
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class Meta:
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ordering = ["-created_at"]
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constraints = [
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models.UniqueConstraint(
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fields=["job", "content_hash"], name="unique_job_content_version"
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)
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]
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class ScoreRun(TimeStampedModel):
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class Recommendation(models.TextChoices):
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STRONG = "strong", "Sterke match"
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POSSIBLE = "possible", "Mogelijke match"
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WEAK = "weak", "Lage match"
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HIDDEN = "hidden", "Verborgen"
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job = models.ForeignKey(JobPosting, on_delete=models.CASCADE, related_name="scores")
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profile = models.ForeignKey(
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"profiles.SearchProfile", on_delete=models.CASCADE, related_name="scores"
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)
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profile_version = models.PositiveIntegerField()
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score = models.DecimalField(max_digits=5, decimal_places=2)
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confidence = models.DecimalField(max_digits=4, decimal_places=3)
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recommendation = models.CharField(max_length=16, choices=Recommendation.choices)
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components = models.JSONField(default=dict)
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positives = models.JSONField(default=list)
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concerns = models.JSONField(default=list)
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hard_exclusions = models.JSONField(default=list)
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evidence = models.JSONField(default=dict, blank=True)
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model_version = models.CharField(max_length=120, blank=True)
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prompt_version = models.CharField(max_length=120, blank=True)
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class Meta:
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ordering = ["-created_at"]
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indexes = [models.Index(fields=["profile", "-score", "-created_at"])]
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class AiAnalysisCache(TimeStampedModel):
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class Status(models.TextChoices):
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OK = "ok", "Succes"
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DISABLED = "disabled", "Uitgeschakeld"
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ERROR = "error", "Fout"
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TIMEOUT = "timeout", "Timeout"
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INVALID = "invalid", "Ongeldige output"
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content_hash = models.CharField(max_length=64, db_index=True)
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model_name = models.CharField(max_length=120)
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prompt_version = models.CharField(max_length=120)
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schema_version = models.CharField(max_length=24, default="1.0.0")
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status = models.CharField(max_length=16, choices=Status.choices)
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error_category = models.CharField(max_length=120, blank=True)
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summary_nl = models.TextField(blank=True)
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features = models.JSONField(default=dict, blank=True)
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warnings = models.JSONField(default=list, blank=True)
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class Meta:
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ordering = ["-updated_at"]
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constraints = [
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models.UniqueConstraint(
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fields=["content_hash", "model_name", "prompt_version", "schema_version"],
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name="unique_ai_analysis_cache",
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)
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]
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indexes = [
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models.Index(fields=["content_hash"]),
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models.Index(fields=["model_name", "prompt_version", "schema_version"]),
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]
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def __str__(self) -> str:
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return f"{self.model_name}:{self.prompt_version}:{self.content_hash[:8]}:{self.status}"
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class Feedback(TimeStampedModel):
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class Action(models.TextChoices):
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INTERESTING = "interesting", "Interessant"
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SAVE = "save", "Bewaren"
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HIDE = "hide", "Verbergen"
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APPLIED = "applied", "Gesolliciteerd"
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UNDO = "undo", "Ongedaan maken"
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user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
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profile = models.ForeignKey(
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"profiles.SearchProfile", on_delete=models.SET_NULL, null=True, blank=True
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)
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job = models.ForeignKey(JobPosting, on_delete=models.CASCADE, related_name="feedback")
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action = models.CharField(max_length=20, choices=Action.choices)
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reason = models.CharField(max_length=200, blank=True)
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metadata = models.JSONField(default=dict, blank=True)
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class Meta:
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ordering = ["-created_at"]
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class Application(TimeStampedModel):
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class Status(models.TextChoices):
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PREPARING = "preparing", "Voorbereiden"
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APPLIED = "applied", "Verzonden"
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INTERVIEW = "interview", "Gesprek"
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OFFER = "offer", "Aanbod"
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REJECTED = "rejected", "Afgewezen"
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WITHDRAWN = "withdrawn", "Ingetrokken"
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user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
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job = models.ForeignKey(JobPosting, on_delete=models.PROTECT, related_name="applications")
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status = models.CharField(max_length=20, choices=Status.choices, default=Status.PREPARING)
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applied_at = models.DateTimeField(null=True, blank=True)
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follow_up_date = models.DateField(null=True, blank=True)
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contact_name = models.CharField(max_length=200, blank=True)
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contact_email = models.EmailField(blank=True)
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contact_metadata = models.JSONField(default=dict, blank=True)
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notes = models.TextField(blank=True)
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document_manifest = models.JSONField(default=list, blank=True)
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snapshot = models.JSONField(default=dict, blank=True)
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class Meta:
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ordering = ["-updated_at"]
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constraints = [
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models.UniqueConstraint(fields=["user", "job"], name="unique_application_per_user_job")
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]
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def __str__(self) -> str:
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return f"{self.job} — {self.get_status_display()}"
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class ApplicationTimelineEvent(TimeStampedModel):
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class EventType(models.TextChoices):
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CREATED = "created", "Aangemaakt"
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STATUS_CHANGED = "status_changed", "Status gewijzigd"
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NOTES_UPDATED = "notes_updated", "Notitie bijgewerkt"
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CONTACT_UPDATED = "contact_updated", "Contact bijgewerkt"
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SNAPSHOT_CAPTURED = "snapshot_captured", "Snapshot vastgelegd"
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application = models.ForeignKey(
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Application,
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on_delete=models.CASCADE,
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related_name="timeline_events",
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)
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user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
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event_type = models.CharField(max_length=20, choices=EventType.choices)
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metadata = models.JSONField(default=dict, blank=True)
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class Meta:
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ordering = ["-created_at"]
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indexes = [
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models.Index(fields=["application", "created_at"]),
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models.Index(fields=["user", "created_at"]),
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]
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def __str__(self) -> str:
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return f"{self.application} — {self.event_type}"
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Reference in New Issue
Block a user